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Winter Linseed =NO Flea Beetles
The Life-cycle story
Cabbage Stem Flea Beetle(Psylliodes chrysocephala)
Host Plants:Brassicas e.g. oilseed rape
Adults migrate to emerging Oilseed Rape
plants
Adult grazing causes the characteristic damage to
young leaves
Eggs are laid in the soil and young larvae
emerge to enter the plant, boring into leaf
petioles and stems
Larvae pupate in the soil in late Spring and emerge as
adults in the Summer
OSR crop sown & emerging
Winter Linseed crop sown &
emerging
OSR stem extension
Winter Linseed stem extension
OSR �oweringWinter Linseed
�owering
OSR Harvest
Winter Linseed Harvest
Large Flax Flea Beetles(Aphthona euphorbiae)
Host Plants:Spring Linseed and Flax NOT Winter Linseed
Adults hibernate in deciduous woodland
Adult Flax Flea Beetles ARE NOT ACTIVE in the
Winter.That’s why Winter
Linseed doesn’t suer from Flea Beetles
Adult grazing causes the characteristic damage to young leaves of Spring
sown Linseed
Larvae develop and pupate in the soil in late
June/July
Adults emerge in September and migrate to woodland to hibernate
AUGUST/SEPTEMBER
OCTOBER/NOVEMBER
JANUARY/FEBRUARY
MARCH/APRIL
MAY/ JUNE
JULY/AUGUST
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